勉強する

Mainichi nihongo o benkyou shimasu.

I study Japanese every day.

Toshokan de benkyou shimashou.

Let's study at the library.

Kinou benkyou shimashita ka.

Did you study yesterday?

Maiban nijikan gurai benkyou shimasu.

I study for about two hours every night.

Eigo o benkyou shitai desu.

I want to study English.

Kare wa heya de benkyou shite imasu.

He is studying in his room.